Answers

Add 72/40 and 28/56

1^st number: 1 32/40, 2^nd number: 28/56

72/40 + 28/56 is 23/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   72/40 = 72 × 7/40 × 7 = 504/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   28/56 = 28 × 5/56 × 5 = 140/280
4. Add the two like fractions:
   504/280 + 140/280 = 504 + 140/280 = 644/280
5. 644/280 simplified gives 23/10
6. So, 72/40 + 28/56 = 23/10
   In mixed form: 23/10

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